大型超深基坑工程信息化施工研究_上海外环隧道的浦西基坑工程.pdfVIP

25 4 Vol.25 No.4 2003 7 Chinese Journal of Geotechnical Engineering July, 2003 ) ) ) 上海外环隧道的浦西基坑工程 A study on IT construction for specially big deep excavationengineering ) Deep excavation engineering of Outer Ring Tunnel Project in Puxi, Shanghai 1 1 2 2 杨国祥, 李 侃, 赵锡宏, 李 蓓 ( 1. , 200032;2. , 200092) : , 30 m , 43 m , ( , ) , , , , ,, ,, , :; ;; ; :TU 941 :A : 1000- 4548(2003)04- 0483- 05 :( 1949- ) , ,,, 1 1 2 2 YANG Guo-xiang ,LI an ,ZHAO X-i hong ,LI Bei ( 1. ShanghaiTunnel Engineering Co. , Ltd. , Shanghai 200032,China; 2.Department of Geotechnical Engineering,Tongji University, Shanghai 200092, China) Abstract: The deep excavation engineering of Outer Ring Tunnel Project in Puxi, Shanghai, is an open-type one in plane with depth of 30 m and width of 43 m.This paper deals with the field study of deformation behind retaining wall, on top of wall and inside the wall. A synthetic method, including the systematicfield monitoring,the application of SUPER- Star software of space non-linear design theory for deep excavation engineering and several prediction methods,is used to obtain the data of deformation in advance of two weeksfor guiding construction at each stage.Engineering practice in thisproject has shown thatthe adoption of IT construction is successful andthe rich data accumulated is valuable.The earth pressure is also studied to monitor the variation of behavior.A practical scheme for computation of active earth pressure is suggested.Finally, some important theoretic understandings for IT construction are proposed in this paper. Key ords:excavation engineering;especially big deep;trace;IT construction;earth pressure